Home / 98,408,982.80-147,613,474.20-52,492,480.40

Finding the Fourth Proportional to 98,408,982.80, 147,613,474.20 and 52,492,480.40

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Solution

The fourth proportional to 98,408,982.80, 147,613,474.20 and 52,492,480.40 is: 78,738,720.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,408,982.80 : 147,613,474.20 = 52,492,480.40 : x
  2. Step 2: Convert to fraction form
    98,408,982.80/147,613,474.20 = 52,492,480.40/x
  3. Step 3: Cross multiply
    98,408,982.80x = 147,613,474.20 × 52,492,480.40
  4. Step 4: Simplify right side
    98,408,982.80x = 7,748,597,401,219,405
  5. Step 5: Solve for x
    x = 7,748,597,401,219,405/98,408,982.80
  6. Step 6: Final answer
    x = 78,738,720.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.